What percentage of air is oxygen?
A) 21%
B) 12%
C) 6%
D) < 1%
E) 79%
Correct Answer:
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Q2: What percentage of air is carbon dioxide?
A)
Q3: Which statement best describes the cause of
Q4: Which of the following does NOT contribute
Q5: What is the partial pressure of oxygen
Q6: At equilibrium, which of the following statements
Q8: Movement of oxygen and carbon dioxide between
Q9: At sea level, if oxygen is consumed
Q10: What is the most abundant gas in
Q11: Which statement best describes why O2 and
Q12: At equilibrium, the gas molecules that dissolve
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